On Sept. 26, a resident passes by a flower terrace decorated for the coming National Day. (Xinhua/Hang Xingwei)

The photo, taken on Sept. 26, shows the SWAT team ready for the joint exercise. (Xinhua/Wangkai)

Two metro trains in Shanghai collided Tuesday afternoon, and an identified number of passengers were injured in the accident, the Shanghai-based eastday.com reported. Equipment failures were believed to have caused the crash on the Line 10 subway, Xinhua quoted local subway operator as saying.

An employee at a gold store in Yiwu, located in east China's Zhejiang province, shows gold jewelry on Monday.(Xinhua/Zhang Jiancheng)

Tourists ride camels near China's largest desert lake Hongjiannao in Yulin, north China's Shaanx Province, Sept. 24, 2011. Hongjiannao is shrinking as a result of climate change and human activities, and may vanish in a few decades. Its lake area, which measured more than 6,700 hectares in 1996, has shrunk to 4,180 hectares. Its water level is declining by 20-30 centimeters annually and its water PH value has risen to 9.0-9.42 from 7.4-7.8. (Xinhua/Liu Yu)

Actors perform royal dance at the Gyeongbok Palace in Seoul, Sept. 27, 2011. A ceremony commemorating the 38th South Korea Sightseeing Day was held in Gyeongbok Palace on Tuesday. (Xinhua/He Lulu)